Analysis of Volatile Aroma Compounds and Sensory Characteristics Contributing to Regional Style of Red Wines from Hexi Corridor Based on Sixteen Grape Varieties/Clones

Hexi Corridor is an excellent region for high-quality wines in China, but the characteristic and style of red wine from this unclear. To elucidate regional Corridor, aroma properties made 16 different varieties/clones grapes were comprehensively analyzed using HS-SPME-GC-MS, sensory evaluation, odor activity value method, partial least squares regression analyses. We identified 52 compounds found that floral black berry provided a good reference shaping selecting related varieties region. Ethyl caproate, (Z)-3-hexen-1-ol, ethyl 9-decenoate, hexyl alcohol, which substances wines, had positive effects on Merlot, Cabernet Sauvignon, Pinot Noir, Malbec wines. Hexyl alcohol (Z)-3-hexen-1-ol also contributed to spice aromas, while isobutyl acetate opposed expression these aromas Franc These results showed characteristics are vital significance among important contributors.